• 1. kernel
• 2. buildroot

• kernel
• buildroot

1. kernel

https://lore.kernel.org/patchwork/patch/1173547
https://lore.kernel.org/patchwork/patch/1173548
https://lore.kernel.org/patchwork/patch/1158715

2. buildroot

https://git.busybox.net/buildroot/commit/?id=bacf2157193c1565f37c260685a03426a1be5656